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  • Question

  • A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is


  • Options
  • A. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the r
  • B. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the r
  • C. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the r
  • D. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the r

  • Correct Answer
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    • Theory of Structures problems

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    • 1. The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span ; flexural rigidity being EI, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. The degree of indeterminacy of the frame in the given figure, is

    • Options
    • A. zero
    • B. 1
    • C. 2
    • D. 3
      • Discuss
    • 4. At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by

    • Options
    • A. depth of the section
    • B. depth of the neutral axis
    • C. maximum tensile stress at the section
    • D. maximum compressive stress at the section
    • E. none of these.
      • Discuss
    • 5. The strain energy due to volumetric strain

    • Options
    • A. is directly proportional to the volume
    • B. is directly proportional to the square of exerted pressure
    • C. is inversely proportional to Bulk modulus
    • D. all the above.
      • Discuss
    • 6. The ratio of maximum and average shear stresses on a rectangular section, is

    • Options
    • A. 1
    • B. 1.25
    • C. 1.5
    • D. 2.0
    • E. 2.5
      • Discuss
    • 7. A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

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    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. The equivalent length of a column of length L having one end fixed and the other end free, is

    • Options
    • A. 2L
    • B. L
    • C.
    • D.
      • Discuss
    • 9. The force in BC of the truss shown in the given figure, is

    • Options
    • A. 3.0t compression
    • B. 3.0t tension
    • C. t tension
    • D. t compression
    • E. None of these.
      • Discuss
    • 10. If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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